C++程序  |  69行  |  1.69 KB

/*
 * Copyright (C) 2009 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <media/MediaTrack.h>

namespace android {

MediaTrack::MediaTrack() {}

MediaTrack::~MediaTrack() {}

////////////////////////////////////////////////////////////////////////////////

MediaTrack::ReadOptions::ReadOptions() {
    reset();
}

void MediaTrack::ReadOptions::reset() {
    mOptions = 0;
    mSeekTimeUs = 0;
    mNonBlocking = false;
}

void MediaTrack::ReadOptions::setNonBlocking() {
    mNonBlocking = true;
}

void MediaTrack::ReadOptions::clearNonBlocking() {
    mNonBlocking = false;
}

bool MediaTrack::ReadOptions::getNonBlocking() const {
    return mNonBlocking;
}

void MediaTrack::ReadOptions::setSeekTo(int64_t time_us, SeekMode mode) {
    mOptions |= kSeekTo_Option;
    mSeekTimeUs = time_us;
    mSeekMode = mode;
}

void MediaTrack::ReadOptions::clearSeekTo() {
    mOptions &= ~kSeekTo_Option;
    mSeekTimeUs = 0;
    mSeekMode = SEEK_CLOSEST_SYNC;
}

bool MediaTrack::ReadOptions::getSeekTo(
        int64_t *time_us, SeekMode *mode) const {
    *time_us = mSeekTimeUs;
    *mode = mSeekMode;
    return (mOptions & kSeekTo_Option) != 0;
}

}  // namespace android